Earth’s gravity pulls everything toward the center of the planet. To stay in the earth’s orbit, the speed of a satellite must adjust to the tiniest changes in the pull of gravity.(人造卫星利用重力保持在轨道上。地球的引力把所有东西都拉向地球的中心。为了保持在地球轨道上运行,卫星的速度必须...
Solar panels provide electrical power for the computers and other equipment, as well as the power to move the satellite forward.Artificial satellites use gravity to stay in their orbits. Earth's gravity pulls everything toward the center of the planet. To stay in the earth's orbit, the ...
Reason: The necessary centripetal force required to move the satellite in an ·orbit around the earth is provided by the gravitational force of attraction between the satellite and the earth. View Solution PRADEEP-GRAVIATION-VERY SHORT ANS. QUESTIONS V. The centripetal force on a satellite revolvin...
Lower frequencies provide a better trade off between the satellite carrier power required and the cost of mobile earth station antennas. As shown in Table 51.2, frequency bands have been allocated for satellite mobile services around 1.6GHz and, in some parts of the world, at 800MHz. However,...
Satellites move continually around the earth or around another planet. 人造卫星 The rocket launched two communications satellites. 火箭发射了两颗通信卫星。 2 形容词 Satellite television is broadcast using a satellite. 卫星的 They have four satellite channels. 他们有4个卫星频道。 3 可数名词 A ...
the moves round根据汉语提示补全句子。(解空一词)1.地球图烧太阳旋转is a satellite of 相关知识点: 试题来源: 解析 【答案】Theearth,thesun【核心短语/词汇】movearound:围绕着……转【解析】根据题干要求,“地球”翻译为“Theearth”,“sun”翻译为“太阳”,因为表示独一无二的事物时要在前面加定冠词“...
(2)WhydoesthesatellitemovearoundtheworldatthesamespeedastheEarthrotates? ___A.Inordertotakephotographs.B.Inordertostayinacertainpositionintheorbit.C.Inordertomoveawayfromitsorbit.D.Inordertosendtelevisionpictures.(3)Whatdoestheunderlinedword"This"inthe3rdparagraphreferto? ___A.Asatellite.B.Alittlerock...
Viewing satellite images through Google Earth is a very efficient way of determining coordinates for higher quality satellite imagery.
·n. ['sætəlaɪt] ( satellites ) · ·双解释义 ·C 卫星 a body in space that moves round a larger one. especially a planet ·C 人造卫星 a man-made object intended to move around the Earth, moon, etc.for some purpose ·C 卫星国,附庸国,卫星都市 sth, especially a country...
Reliable communications when they’re needed most, everywhere from densely populated areas to the far corners of the Earth. The Current MUOS Satellite Fleet The MUOS constellation consists of four active satellites and one on-orbit spare, all built and sustained by Lockheed Martin. These satellites...